Home / 9,089.24-13,558.16-8,938.72

Finding the Fourth Proportional to 9,089.24, 13,558.16 and 8,938.72

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Solution

The fourth proportional to 9,089.24, 13,558.16 and 8,938.72 is: 13,333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.24 : 13,558.16 = 8,938.72 : x
  2. Step 2: Convert to fraction form
    9,089.24/13,558.16 = 8,938.72/x
  3. Step 3: Cross multiply
    9,089.24x = 13,558.16 × 8,938.72
  4. Step 4: Simplify right side
    9,089.24x = 121,192,483.47
  5. Step 5: Solve for x
    x = 121,192,483.47/9,089.24
  6. Step 6: Final answer
    x = 13,333.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.